COVER

Meet Kim Jong Un (World)

He's the 29-year-old ruler of North Korea, the world's least known, most dangerous country.

COMMENTARY

What Would Steve Do? (The Curious Capitalist)

Jobs was a jerk, but his leadership lesson is more about product than personality

FEATURES

Early Decision (Medicine)

Will new advances in prenatal testing shrink the ranks of babies with Down syndrome?

Linsanity! (Sports)

Jeremy Lin recolors the urban hoops culture

Rick's Roll (Nation)

Nobody picked Rick Santorum to make it this far. Now he may be the last man standing between Mitt Romney and the Republican nomination

BUSINESS

Solar Eclipsed (Sustainability)

U.S. solar manufacturers decry unfair Chinese competition, but tariffs could trigger a destructive trade war

THE CULTURE

The DJ in Chief (Tuned In)

How to make a country love you in 2012? Say it with a playlist

My Day in Court (The Awesome Column)

Who do you call when you need to interpret the Constitution? Me

BRIEFING

Underwater (Economy)

Will the foreclosure deal improve the housing market?

Hazardous Haze (Health&Science)

Even brief exposure to air pollution can raise a heart attack risk

LETTERS